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Finding the Fourth Proportional to 656,362.54, 984,543.70 and 157,726.54

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Solution

The fourth proportional to 656,362.54, 984,543.70 and 157,726.54 is: 236,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,362.54 : 984,543.70 = 157,726.54 : x
  2. Step 2: Convert to fraction form
    656,362.54/984,543.70 = 157,726.54/x
  3. Step 3: Cross multiply
    656,362.54x = 984,543.70 × 157,726.54
  4. Step 4: Simplify right side
    656,362.54x = 155,288,671,279.80
  5. Step 5: Solve for x
    x = 155,288,671,279.80/656,362.54
  6. Step 6: Final answer
    x = 236,589.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.